2092-56-0

Basic information

• Product Name: sodium 5-chloro-2-(2-hydroxy-1-naphthylazo)toluene-4-sulfonate
• Synonyms: C.I. Pigment Red 53;Pigment Red 53 (C.I.);sodium 5-chloro-2-(2-hydroxy-1-naphthylazo)toluene-4-sulfonate;sodium 2-chloro-5-[(2-hydroxy-1-naphthyl)azo]toluene-4-sulphonate];AKA203;Benzenesulfonic acid, 5-chloro-2-(2-hydroxy-1-naphthalenyl)azo-4-methyl-, monosodium salt;D&CREDNO.8;LAKEREDBCA
• CAS NO: 2092-56-0
• Molecular Formula: C17H12ClN2NaO4S
• Molecular Weight: 398.79595
• EINECS: 218-248-5
• Mol File: 2092-56-0.mol
• Article Data: 0

Chemical Properties

• Appearance: /
• CAS DataBase Reference: sodium 5-chloro-2-(2-hydroxy-1-naphthylazo)toluene-4-sulfonate(CAS DataBase Reference)
• NIST Chemistry Reference: sodium 5-chloro-2-(2-hydroxy-1-naphthylazo)toluene-4-sulfonate(2092-56-0)
• EPA Substance Registry System: sodium 5-chloro-2-(2-hydroxy-1-naphthylazo)toluene-4-sulfonate(2092-56-0)

Safety Data

• Safety Statements: 24/25
• WGK Germany: 3
• RTECS: DB5550000
• Hazardous Substances Data: 2092-56-0(Hazardous Substances Data)

Usage

General Description

Sodium 5-chloro-2-(2-hydroxy-1-naphthylazo)toluene-4-sulfonate, also known as Acid Red 73, is a chemical compound primarily used for dyeing textiles, paper, and food stuff. It belongs to the class of organic compounds known as naphthalenes, which consist of a naphthalene moiety carrying a chloro substituent at the 5-position. Its chemical formula is C19H13ClN2O4S and has a molecular weight of 416.83 g/mol. It is soluble in water, stable under normal temperatures and pressures, but it may pose significant health risks if ingested, inhaled, or contacted with the skin and eyes.

InChI:InChI=1/C17H13ClN2O4S.Na/c1-10-8-14(16(9-13(10)18)25(22,23)24)19-20-17-12-5-3-2-4-11(12)6-7-15(17)21;/h2-9,21H,1H3,(H,22,23,24);/q;+1/p-1/rC17H12ClN2NaO4S/c1-10-8-14(16(9-13(10)18)26(23,24)25-21)19-20-17-12-5-3-2-4-11(12)6-7-15(17)22/h2-9,22H,1H3